Video: Dab tsi yog recombination hauv microbiology?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Recombination yog cov txheej txheem uas DNA sib lawv liag tau pauv ntawm DNA molecules. Qhov chaw tshwj xeeb recombination enables phage DNA los ua ke rau hauv cov kab mob chromosomes thiab yog ib tug txheej txheem uas muaj peev xwm tig los yog tua tej yam noob, raws li nyob rau hauv flagellar theem variation nyob rau hauv Salmonella.
Tsuas yog li ntawd, peb hom recombination yog dab tsi?
Muaj peb hom recombination ; Radiative, Shockley-Read-Hall, thiab Auger.
Kuj Paub, hom recombination yog dab tsi? Tsawg kawg yog plaub hom ntawm naturally tshwm sim recombination tau raug txheeb xyuas nyob rau hauv cov kab mob nyob: (1) General los yog homologous recombination , (2) Tsis raug cai lossis tsis yog homologous recombination , (3) Qhov chaw tshwj xeeb recombination , thiab (4) replicativ recombination.
Ib tug kuj yuav nug, dab tsi yog lub ntsiab lus ntawm genetic recombination?
Genetic recombination (tseem hu ua caj ces reshuffling) yog pauv ntawm caj ces cov khoom sib txawv ntawm cov kab mob sib txawv uas ua rau kev tsim cov xeeb ntxwv nrog kev sib txuas ntawm cov yam ntxwv sib txawv ntawm cov uas pom nyob hauv niam txiv.
Dab tsi yog txoj kev sib txawv ntawm genetic recombination hauv cov kab mob?
Cov txheej txheem no tshwm sim hauv peb lub ntsiab txoj kev : Transformation, uptake ntawm exogenous DNA los ntawm ib puag ncig ib puag ncig. Transduction, tus kab mob-mediated hloov ntawm DNA nruab nrab kab mob . Conjugation, kev hloov ntawm DNA los ntawm ib kab mob mus rau lwm qhov ntawm kev sib cuag ntawm tes-rau-cell.
Pom zoo:
Dab tsi yog genetic recombination hauv biology?
Genetic recombination (tseem hu ua genetic reshuffling) yog kev sib pauv ntawm cov khoom siv caj ces ntawm cov kab mob sib txawv uas ua rau muaj cov xeeb ntxwv nrog kev sib txuas ntawm cov yam ntxwv sib txawv ntawm cov uas pom hauv niam txiv
Dab tsi yog gene qhia hauv microbiology?
Tsuas yog ib pawg ntawm cov proteins nyob rau hauv ib lub cell ntawm ib lub sij hawm tau qhia. Genomic DNA muaj ob qho tib si cov noob caj noob ces, uas encode cov khoom uas ua haujlwm raws li cov qauv ntawm tes lossis cov enzymes, thiab tswj cov noob, uas encode cov khoom uas tswj cov noob qhia. Kev nthuav qhia ntawm cov noob yog ib txoj kev tswj hwm heev
Dab tsi yog cov cuab yeej siv hauv microbiology?
Cov cuab yeej siv microbiology suav nrog cov tshuab tsom iav; swb; cov hlab ntsha; petri tais diav; kev loj hlob nruab nrab, ob qho tib si khoom thiab kua; inoculation loops; pipettes thiab cov lus qhia; incubators; autoclaves, thiab laminar flow hoods
Flagella hauv microbiology yog dab tsi?
Lub flagellum yog ib qho qauv zoo li nplawm uas tso cai rau lub cell txav mus. Lawv muaj nyob rau hauv tag nrho peb lub ntiaj teb no nyob: kab mob, archaea, thiab eukaryota, tseem hu ua protists, nroj tsuag, tsiaj txhu, thiab fungi. Thaum tag nrho peb hom flagella yog siv rau locomotion, lawv yog cov qauv sib txawv heev
Dab tsi yog tus neeg sawv cev xaiv hauv microbiology?
Selective Agents. Cov khoom lag luam> Microbiology> Cov Neeg Ua Haujlwm Xaiv. Ntau hom tshuaj tua kab mob ua haujlwm ua cov neeg ua haujlwm xaiv hauv kev xaiv kab lis kev cai tshaj tawm kom cais tawm, lossis xaiv rau, cov kab mob microogranism los ntawm cov khoom noj, chaw kuaj mob, thiab kev kuaj ib puag ncig